20809946 (number)

20809946 is an even 8-digits composite number following 20809945 and preceding 20809947. In scientific notation, it is written as 2.0809946 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10378368 positive integers (up to 20809946) that are relatively prime to 20809946.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred forty-six

Notation

Scientific notation 2.0809946 × 10^7
Engineering notation 2.0809946 × 10^6

Prime Factorization of 20809946

Prime Factorization 2 × 397 × 26209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809946
Product of the distinct prime numbers

The prime factorization of 20809946 is 2 × 397 × 26209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 80, 15, 253, 498, 9869, 4588, 92705, 21378, 154000, 18890, 9299119, 1443159, 2087663, 77120296, 647661191, 365628039, 686743000, 1630089393

Basic calculations (n = 20809946)

Multiplication

n×y
n×2 41619892
n×3 62429838
n×4 83239784
n×5 104049730

Division

n÷y
n÷2 10404973
n÷3 6936648.6666667
n÷3 5202486.5
n÷5 4161989.2

Exponentiation

ny
n2 433053852522916
n3 9.0118272860938E+21
n4 1.8753563918494E+29
n5 3.9026065245141E+36

Nth Root

y√n
2√n 4561.7919724599
3√n 275.05760115723
4√n 67.541039172195
5√n 29.084003661799

Divisors of 20809946

1, 2, 397, 794, 26209, 52418, 10404973, 20809946

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809946 can be divided by 8 positive divisors. The sum of these divisors (counting 20809946) is 1, the average is 0.125.

Base conversion 20809946

Base System Value
2 Binary 1001111011000100011011010
3 Ternary 1110011020212202
4 Quaternary 1033120203122
5 Quinary 20311404241
6 Senary 2022010202
8 Octal 117304332
10 Decimal 20809946
12 Duodecimal 6b76962
16 Hexadecimal 13d88da
20 Vigesimal 6a14h6
36 Base36 ce122

Cryptographic Hash Functions

md5 240fd0b260f35d2e11209345afbd1d0b
sha1 6e0e127ced6546c5635620180c3fff69a8483129
sha256 74b22d556f11666e410042fd328ef0971e99dc12a4cb5a2330c1a83c5a9f7f08
sha512 4d0b64a76a67c908def576e3e57c3a3e7c0d30c401a198a9674c8594a5e43a32cce1d8950b3a45fb9f1f5a5d8ed08f450f4fff8e4bf01ce839b94f431e3c57a6
ripemd-160 742175e67740603d26ecb7e6c7009a7c28ec57e5

20809946 as geometric shapes

Circle

Radius = n
Diameter 41619892
Circumference 130752746.9504
Area 1.3604788016948E+15

Sphere

Radius = n
Volume 3.7748653863217E+22
Surface area 5.441915206779E+15
Circumference 130752746.9504

Square

Length = n
Perimeter 83239784
Area 433053852522916
Diagonal 29429707.865452

Cube

Length = n
Surface area 2598323115137496
Volume 9.0118272860938E+21
Space diagonal 36043883.774765

Equilateral Triangle

Length = n
Perimeter 62429838
Area 1.8751781874578E+14
Altitude 18021941.887382

Triangular Pyramid

Length = n
Surface area 1.8751781874578E+14
Volume 1.0620540308132E+21
Height 9809902.6218172